Question: What is the name of the person that the Euler equations are named for, that died in Saint Petersburg?
Paraphrase: What is the title of the man or woman that the Euler equations are named for, that died in Saint Petersburg?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q375175 wdt:P138 ?answer . ?answer wdt:P20 wd:Q656}
Answer: Leonhard Euler